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Finding the Fourth Proportional to 201,653,053.70, 302,516,905.35 and 65,342,884.10

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Solution

The fourth proportional to 201,653,053.70, 302,516,905.35 and 65,342,884.10 is: 98,026,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,653,053.70 : 302,516,905.35 = 65,342,884.10 : x
  2. Step 2: Convert to fraction form
    201,653,053.70/302,516,905.35 = 65,342,884.10/x
  3. Step 3: Cross multiply
    201,653,053.70x = 302,516,905.35 × 65,342,884.10
  4. Step 4: Simplify right side
    201,653,053.70x = 19,767,327,084,575,720
  5. Step 5: Solve for x
    x = 19,767,327,084,575,720/201,653,053.70
  6. Step 6: Final answer
    x = 98,026,420.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.